428186751105 has 32 divisors (see below), whose sum is σ = 721215872640. Its totient is φ = 216329218560.

The previous prime is 428186751023. The next prime is 428186751127. The reversal of 428186751105 is 501157681824.

It is not a de Polignac number, because 428186751105 - 2¹¹ = 428186749057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3847645 + ... + 3957365.

It is an arithmetic number, because the mean of its divisors is an integer number (22537996020).

Almost surely, 2^428186751105 is an apocalyptic number.

It is an amenable number.

428186751105 is a deficient number, since it is larger than the sum of its proper divisors (293029121535).

428186751105 is a wasteful number, since it uses less digits than its factorization.

428186751105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123441.

The product of its (nonzero) digits is 537600, while the sum is 48.

The spelling of 428186751105 in words is "four hundred twenty-eight billion, one hundred eighty-six million, seven hundred fifty-one thousand, one hundred five".